Finding the Fourth Proportional to 37,759.50, 52,108.29 and 20,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,759.50 : 52,108.29 = 20,992.50 : x
2. Step 2: Convert to fraction form
   37,759.50/52,108.29 = 20,992.50/x
3. Step 3: Cross multiply
   37,759.50x = 52,108.29 × 20,992.50
4. Step 4: Simplify right side
   37,759.50x = 1,093,883,277.83
5. Step 5: Solve for x
   x = 1,093,883,277.83/37,759.50
6. Step 6: Final answer
   x = 28,969.75